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<head>
	<title>高级选择器</title>
	<link rel="stylesheet" type="text/css" href="css/advanced_selector.css">
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<body>
	<h3>我是MJJ，我在这里吃炸鸡</h3>
	 <div class="wrap">
	 	<p>
	 		<a href="#">小猿圈</a>
	 	</p>
	 	<a href="#">hello world</a>
	 </div>

	 <div>
	 	<a href="#">hello  A</a>
	 </div>
	 <a href="#">MJJ</a>
	 <span>在干嘛呢？</span>
	 <span>hello  MJJ</span>
		
	<h2 class="active">MJJ</h2>
	
	








</body>
</html>